package com.example.demo.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.example.demo.pojo.Book;

import java.io.IOException;
import java.util.HashMap;
import java.util.List;

/**
 * (SBook)表服务接口
 *
 * @author makejava
 * @since 2023-05-20 10:12:37
 */
public interface BookService extends IService<Book> {

	HashMap<String, Long> radarMapList();

	List<List<Object>> getScatterDiagram();
	public void getBooks() throws IOException;
}
